Rock Band 2 (Xbox 360)

Cheat mode:
Select the "Extras" option at the main menu. Select "Modify Game" option then enter one of the following codes to activate the corresponding cheat function.

Note: Enabling a code will prevent the game from being saved.

All songs:
Press Red, Yellow, Blue, Red, Red, Blue, Blue, Red, Yellow, Blue. If using a standard controller, press Y, B, X, Y, Y, X, X, Y, B, X.

All venues:
Press Blue, Orange, Orange, Blue, Yellow, Blue, Orange, Orange, Blue, Yellow. If using a standard controller, press X, A, A, X, B, X, A, A, X, B.

New venues:
Press Red, Red, Red, Red, Yellow, Yellow, Yellow, Yellow. If using a standard controller, press Y, Y, Y, Y, B, B, B, B.

Awesome Detection:
Press Yellow, Blue, Orange, Yellow, Blue, Orange, Yellow, Blue, Orange. If using a standard controller, press B, X, A, B, X, A, B, X, A.

Stage mode:
Press Blue, Yellow, Red, Blue, Yellow, Red, Blue, Yellow, Red. If using a standard controller, press X, B, Y, X, B, Y, X, B, Y.